#include "mystdio.h"
#include "mystring.h"

int main()
{
    MyFile* f = MyFopen("aaa.txt", "w");
    if(f == NULL) exit(1);

    const char* msg = "hello world";
    MyFwrite(f, msg, mystrlen(msg));
    MyFclose(f);
    f = NULL;
    return 0;
}
